llvm-6502/test/CodeGen/X86/pr14204.ll at 37c04a0d4d0df0e2efddcc76a1036a9fc384e61a - llvm-6502 - Applefritter: Git

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Michael Liao 2a2263e744 Fix PR14204

- Add missing pattern on X86ISD::VZEXT from VR256 to VR256 when AVX2 is enabled.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166947 91177308-0d34-0410-b5e6-96231b3b80d8

2012-10-29 17:57:12 +00:00

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 ; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=core-avx2 | FileCheck %s
 ; FIXME: vpmovsxwd should be generated instead of vpmovzxwd followed by
 ; SLL/SRA.
 define <8 x i32> @foo(<8 x i1> %bar) nounwind readnone {
 entry:
   %s = sext <8 x i1> %bar to <8 x i32>
   ret <8 x i32> %s
 ; CHECK: foo
 ; CHECK: vpmovzxwd
 ; CHECK: vpslld
 ; CHECK: vpsrad
 ; CHECK: ret
 }